<template>
  <swiper :options="swiperOption" class="icons" ref="mySwiper">
    <swiper-slide v-for="(icons,index) of pages" :key="index">
      <div class="icon" v-for="item of icons" :key="item.id">
        <div class="icon-img">
          <img class="icon-img-content" :src="item.imgUrl" />
        </div>
        <p class="icon-desc">{{item.desc}}</p>
      </div>
    </swiper-slide>
  </swiper>
</template>

<script>
export default {
  name: 'HomeIcons',
  props: {
    list: Array
  },
  data: function () {
    return {
      swiperOption: {
        autoplay: false
      }
    }
  },
  computed: {
    pages: function () {
      const pages = []
      this.list.forEach(function (item, index) {
        const page = Math.floor(index / 8)
        if (!pages[page]) {
          pages[page] = []
        }
        pages[page].push(item)
      })
      return pages
    }
  }
}
</script>

<style lang="stylus" scoped>
  @import "~styles/variables.styl"
  @import "~styles/mixins.styl"
  .icons >>> .swiper-slide
    height: 0;
    width: 100%
    padding-bottom: 50%
  .icon
    position: relative
    width: 25%
    padding-bottom: 25%
    float: left;
    overflow: hidden;
    height: 0;
    .icon-img
        position: absolute;
        top: 0;
        right: 0;
        left: 0;
        bottom: .44rem;
        box-sizing: border-box
        padding: .1rem
        .icon-img-content
          display: block;
          margin: 0 auto;
          height: 100%
    .icon-desc
        position: absolute
        left: 0;
        right: 0;
        bottom: 0;
        height: .44rem;
        line-height: .44rem;
        color: $darkTextColor
        text-align: center
        ellipse()
</style>
